Stale IAAS policy attachment to role

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Id	ccdf3f87-7890-4549-9d0f-8f43c1d2751d
Rulename	Stale IAAS policy attachment to role
Description	The rule detects ‘IaaS policies’ attached to a role that has not used them during the past X days. It is recommended to remove unused policies from identities to reduce risk.
Severity	Informational
Tactics	PrivilegeEscalation Persistence
Techniques	T1098
Required data connectors	Authomize
Kind	Scheduled
Query frequency	30m
Query period	30m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Stale_IAAS_policy_attachment_to_role.yaml
Version	1.0.3
Arm template	ccdf3f87-7890-4549-9d0f-8f43c1d2751d.json

KQL

Authomize_v2_CL
| where ingestion_time() >= ago(30m)
| extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
| where Policy has "Stale IAAS policy attachment to role"
| project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics

YAML

relevantTechniques:
- T1098
queryPeriod: 30m
triggerOperator: gt
eventGroupingSettings:
  aggregationKind: SingleAlert
suppressionEnabled: false
suppressionDuration: 5h
description: The rule detects 'IaaS policies' attached to a role that has not used them during the past X days. It is recommended to remove unused policies from identities to reduce risk.
version: 1.0.3
tactics:
- PrivilegeEscalation
- Persistence
severity: Informational
status: Available
triggerThreshold: 0
queryFrequency: 30m
alertDetailsOverride:
  alertTactics: Tactics
  alertDescriptionFormat: Stale IAAS policy attachment to role. The rule detects 'IaaS policies' attached to a role that has not used them during the past X days.It is recommended to remove unused policies from identities to reduce risk.
  alertnameFormat: Alert from Authomize - Stale IAAS policy attachment to role
  alertSeverity: Severity
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: URL
kind: Scheduled
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    matchingMethod: AnyAlert
    enabled: true
    reopenClosedIncident: false
    lookbackDuration: 5h
    groupByAlertDetails: []
    groupByEntities: []
    groupByCustomDetails: []
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Stale_IAAS_policy_attachment_to_role.yaml
entityMappings:
- entityType: URL
  fieldMappings:
  - identifier: Url
    columnName: URL
id: ccdf3f87-7890-4549-9d0f-8f43c1d2751d
customDetails:
  EventName: Policy
  ReferencedURL: URL
  AuthomizeEventID: EventID
  EventDescription: Description
  EventRecommendation: Recommendation
query: |-
  Authomize_v2_CL
  | where ingestion_time() >= ago(30m)
  | extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
  | where Policy has "Stale IAAS policy attachment to role"
  | project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics  
requiredDataConnectors:
- dataTypes:
  - Authomize_v2_CL
  connectorId: Authomize
name: Stale IAAS policy attachment to role

ARM